Swimathon with BTT 2025
Fri 28 Mar
|London
Join the BTT in the biggest fundraising swimming challenge this year! Swimathon 2025, hosted across 480+ UK pools from 28–30 March 2025, invites individuals and teams to dive into thrilling, distance-based challenges. Select your distance, raise vital funds, and create a massive splash.


Time & Location
28 Mar 2025, 06:00 – 30 Mar 2025, 17:00
London, Tiller Road Docklands, London E14 8PX, UK
About the event
Join Swimathon 2025 with BTT!
Swimathon 2025 is the ultimate fundraising challenge, happening from 28–30 March at over 480 UK pools. BTT members have TWO great ways to get involved:
Option 1: Swim Anywhere in the UK Choose your distance (from 400m to 15k) and swim at any venue across the UK. Use BTT50 for a 50% discount on individual entries or BTTTEAM50 for 50% off team registrations (valid until 31 January). Kids under 18 swim for FREE until 14 February!
Option 2: Swim with Us at Tiller Leisure Centre Want to swim together and cheer each other on? Join our group at Tiller Leisure Centre this Saturday! It’s a fun, supportive way to be part of the event with the BTT crew. Register now and let’s make a splash for a great cause—together! for 10 seconds
Swimathon 2025 is here, and there’s a way for…
